I disagree both with Ballot Item # 11 - Smoke Rings & Weigh All Things to a Nicety {clarifications} and with upcoming ruling. Cards not in play are not affected. Smoke Rings & Weigh All Things to a Nicety say that some quantity of cards of some type may be taken from discard pile, sideboard...

UNIQUE & “MAY NOT BE DUPLICATED” CARDS If a card states that it is “unique” or that it “may not be duplicated,” only one such card (or its effects) may be in play at a time. The first card played takes precedence (influence checks may change this). This restriction applies to all cards in play,...